Spinal Cord

Question 1

Name the meninges in the brain?

Answer 1

Pia
Arachnoid
Dura

Question 2

Where do you find CSF?

Answer 2

Sub arachnoid space (between pia and arachnoid matter) and the central canal

Question 3

What is the falx cerebri?

Answer 3

Layer of dura matter separating the two hemispheres

Question 4

Tentorium cerebelli

Answer 4

Layer of dura matter separating the cerebellum and the occipital lobe.

Question 5

Cauda equina

Answer 5

Nerve roots allowing for lower limb movement and sensation.

Question 6

Filum terminale

Answer 6

Fibrous tissue attaching to the coccygeal ligament

Question 7

Dorsal column pathway

Answer 7

ASCENDING

Faciculus gracilis (lower limbs) and faciculus cuneatus (upper limbs).

Sensory/proprioception.
Cross at medulla. Rise through medial lemniscus (midbrain) to thalamus and cortex.

Question 8

Spinothalamic

Answer 8

ASCENDING

Pathway for nociception and thermal sensation.

Crosses immediately. Runs through spinal lemniscus.

Question 9

Dorsal spinocerebellar

Answer 9

ASCENDING

Ascends ipsilaterally all the way to cerebellum and enters inferior peduncle.

Question 10

Ventral spinocerebellar

Answer 10

ASCENDING

Ascends contralaterally all the way to cerebellum and enters superior peduncle.

Question 11

Corticospinal

Answer 11

Crosses after medullary pyramids.

Question 12

Rubrospinal

Answer 12

Crosses immediately at the ventral tegmental decussation (midbrain)

Question 13

Tectospinal

Answer 13

Crosses immediately at the dorsal tegmental decussation (midbrain)

Question 14

Vestibulospinal

Answer 14

Ipsilateral from both pons and medulla.

Question 15

Reticulospinal

Answer 15

Ipsilateral from pons.

Bilateral from medulla.